Attachment

urlstring, (uri)

URL where the attachment can be accessed. Must be HTTPS. Consider using signed URLs with expiration for sensitive files.

Example:"https://example.com/files/pricing-guide.pdf"

filetypestring

File type/extension.

Example:"pdf"

filenamestring

Display name for the file

Example:"Pricing Guide 2025"

{
  "url": "https://example.com/files/pricing-guide.pdf",
  "filetype": "pdf",
  "filename": "Pricing Guide 2025"
}